Collection framework
A collection allows a group of objects to be treated as a single unit. Arbitrary objects can be stored, retrieved, and manipulated as elements of collections.
A collection allows a group of objects to be treated as a single unit. Arbitrary objects can be stored, retrieved, and manipulated as elements of collections.
While writing the object-oriented programs, comparison of two instances of the same class is often required. Once instances are comparable, we can sort them ...
You have two independent tables having no relationship between them, but you still want to create them in specific orders. To enforce order during the creati...
Serialization lets you simply say “save this object state to the persistent store” you’d have to use one of the I/O classes to write out the state of the ins...
Like all byte and character stream objects, instances of PrintStream and PrintWriter implement a standard set of write methods for simple byte and character ...